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1. When the environment permits, the ion-grounded electrode should be buried as much as possible in a place where the soil resistivity is small.
2. The location of the ionic grounding electrode should be kept away from the heat source. The corrosion away from the grounding body should be slowed down and the ion release time should be long.
3. The place where the ion-grounding body is buried should try to avoid places with strong corrosive substances.
The place where the grounding body is buried should be kept away from people's regular activities as far as possible, avoiding the entrance. Otherwise, measures should be taken to prevent step voltage hazards.
5. The top of the buried depth of the grounding body should be more than 0.6 meters above the ground, and it should be properly buried when the conditions permit. The spacing should be more than 5 meters.
6. The connection connector must ensure that the electrical connection in the buried part of the grounding system is solid and reliable. Lattice welding shall be used. The overlap length shall not be less than twice the width of the flat steel or 6 times the diameter of the round steel, and shall be welded in a polygonal manner. The recommended weld length is not less than 100mm. There must be no welding or welding. It is best to use exothermic welding, both anti-corrosion, solid.
7. Carefully remove the welding slag, and apply asphalt or other anti-corrosion materials to the welding site to prepare for corrosion protection.
8, to backfill with buckwheat soil or fine clay, at least should ensure that there is 30 ~ 50cm fine soil around the grounding body, and fully watered, so that the grounding body fully absorb moisture.
Contact: Manager 156-3273-2668 (WeChat same number) qq
The electric tool is a kind of small electric motor or electromagnet as the power. A small tool that drives the working head through a transmission mechanism. There are a wide variety of electric tools, complete functions, easy to carry, and simple to use. They have been widely used in various industries and have entered the family. Electric tools are divided into handheld and movable There are two types. Hand-held power tools are more flexible, convenient and widely used. Many varieties have become necessary tools for production and life. There are many brands of power tools. According to the functions and uses of power tools, they are divided into nine categories. . Mainly are the following nine categories:
1. Metal cutting power tools, metal cutting power tools mainly include: electric drills, magnetic drills, electric reamers, electric knives, electric scissors, electric punching shears, electric reciprocating saws, electric pipe saws, electric tapping machines , Electric profile cutting machine, electric oblique cutting machine, electric weld beveling machine, multifunctional electric tools.
2. Sanding power tools, sanding power tools include; straight grinders, angle grinders, flexible shaft grinders, mold electric grinders, flat sanding machines. Belt sander,. Straight polishing machine, disc polishing machine.
3. Assembly electric tools, assembly electric tools include: electric wrenches, fixed torque electric wrenches, electric screwdrivers, electric expansion planes, electric self-powered screwdrivers, electric pull willow guns.
4. Construction road power tools, construction road power tools including: concrete vibrator, electric hammer, hammer drill, impact drill, electric pick, electric floor polisher, electric stone cutter, willow bolt wrench, wet grinding Light machine, electric steel disc cutter, electric pipe threader, electric pipe bender, electric engineering drill, electric scraper, electric brick wall milling machine
5. Mine power tools, mining power tools include: electric rock drilling face, rock electric drill,
6. Railway power tools, railway power tools include: railway electric wrench, sleeper electric drill, sleeper electric pick
7. Power tools for agriculture and animal husbandry, including: electric scissors machine, electric tea plucking machine, electric wine spraying machine, electric hoof repairing machine, electric food sampling machine.
8. Forestry power tools, forestry power tools include electric band saws, electric planers, electric plugs, woodworking multi-tools, electric pruners, electric pruners, electric slotting machines, electric chain saws, electric curves Saws, electric wood milling, woodworking knife grinders, electric circular saws, electric wood drills.
9. Other types of electric tools. Other types of electric tools include: plastic welding guns. Electric cloth cutting machine, electric air Pump, electric pipe cleaning machine, electric crimping machine, plaster chainsaw, electric engraving machine, electric rust remover, plaster electric shears, electric carpet shears, electric dental drill, electric sternum saw, electric bone drill ,
Electronic Tools,Hand Drill,Electric Hammer,Electric Saw,Angle Grinder
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